GUYS< I NEED HELP TO UNDERSTAND?

Why would a girl (for example: girl 1) look at girl 2, everyday (this girl) always whenever I come in the room (we have two class, I smile at another girl and she pays attention to me while girl 2, would look at me and look away, and also there are other signs of she is being attracted to me, does this mean she likes me? or something else

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And then ask me directly, if I am going to a dance, and I say yes, she says oh
GUYS< I NEED HELP TO UNDERSTAND?
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